In QEMU, the Goldfish RTC is explicitly instantiated as a big-endian
device on the m68k virt machine (via the 'big-endian=true' property).
Currently, this driver uses ioread32() and iowrite32(), which works
by luck because the underlying readl() and writel() are currently
broken on m68k.
Use __raw_readl() and __raw_writel() instead to avoid breaking this
driver when the endianness of readl() and writel() is fixed.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Tested-by: Daniel Palmer <daniel@thingy.jp>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Daniel Palmer <daniel@thingy.jp>
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